Cutting tool



FIG. 1 is a rear view;

FIG. 2 is a front view;

FIG. 3 is a left side view;

FIG. 4 is a plan view;

FIG. 5 is a right side view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a perspective view. 

The ornamental design for a cutting tool, as shown. 